Andy Devine What was his horses name?

Andy Devine, the American actor, did not have a horse. He was known for his distinctive gravelly voice and his roles in Western films, but he was not particularly associated with any specific horse.

It's possible you are thinking of another actor, or perhaps you're remembering a specific film or TV show where Andy Devine's character rode a horse.

If you can provide any further details, like the name of the film or show, or any specific characteristics of the horse, I might be able to help you identify it.